- Running tasks concurrently on multiple threads
- getApplicationContext (Context)
- findViewById (Activity)
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- FileReader (java.io)
A specialized Reader that reads from a file in the file system. All read
requests made by calling me
- Charset (java.nio.charset)
A charset is a named mapping between Unicode characters and byte sequences.
Every Charset can decode
- Connection (java.sql)
A connection represents a link from a Java application to a database. All SQL
statements and results
- ResultSet (java.sql)
An interface for an object which represents a database table entry, returned as
the result of the qu
- FileUtils (org.apache.commons.io)
General file manipulation utilities. Facilities are provided in the following
areas: * writing to a
- BufferedImage (java.awt.image)
The BufferedImage subclass describes an java.awt.Image with an accessible buffer
of image data. All
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